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A desk is on sale for $380, which is 20% off the original price. Which equation can be used to determine theamount of money saved, s, in dollars, when purchasing this desk on sale?A s= 0.2(380)BS = (380 = 0.8) - 380Cs= (380 = 0.5) – 380D8 = (380 = 0.8)

Sagot :

Since the desk was 20% off, the price of $380 represents 80% of the original price.

Step 1. Define an expression to find the original price.

To find this original price, we divide the discounted price of 380 by the percentage it represents: 0.8 (we represent 80% in decimal form as 0.8)

[tex]380\div0.8[/tex]

That expression represents the original price.

Step 2. To find the amount saved, we subtract the sale price to the original price:

[tex]s=(380\div0.8)-380[/tex]

This expression will give as a result the amount saved s.

Answer:

[tex]s=(380\div0.8)-380[/tex]

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